Florence Aby Blanchfield (April 1, 1884 in Shepherdstown, West Virginia – May 12, 1971 in Washington, D.C.) was a United States Army Colonel and superintendent of the Army Nursing Corps, from 1943 to 1947.
She was awarded the Distinguished Service Medal in 1945, and the Florence Nightingale Medal by the International Red Cross in 1951.
In 1947 Blanchfield became the first woman to receive a military commission in the regular army.